with 1 episodes premiered on October 10, 1974

with 13 episodes premiered on November 16, 1969

with 13 episodes premiered on April 18, 1971

with 52 episodes premiered on June 15, 2015

A special aired on 19 March 2015 about the solar eclipse of 20 March 2015: it taught children how solar eclipses happen and how to stay safe. Following the special a full series was commissioned for… see more

with 26 episodes premiered on September 6, 2017

with 26 episodes premiered on July 17, 2019